Closes#10910
Follow up work continuing from the last PR
https://github.com/zed-industries/zed/pull/42659. Add the UI element for
displaying vim like which-key menu.
https://github.com/user-attachments/assets/3dc5f0c9-5a2f-459e-a3db-859169aeba26
Release Notes:
- Added a which-key like modal with a compact, single-column panel
anchored to the bottom-right. You can enable with `{"which_key":
{"enabled": true}}` in your settings.
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Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>
